166E1-S99

# 166E1-S99 - MA 166 NAME STUDENT ID EXAM 1 Spring 1999 Page...

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MA 166 EXAM 1 Spring 1999 Page 1/5 NAME STUDENT ID RECITATION INSTRUCTOR RECITATION TIME Page 1 /10 Page 2 /24 Page 3 /24 Page 4 /24 Page 5 /18 TOTAL /100 DIRECTIONS 1. Write your name, student ID number, recitation instructor’s name and recitation time in the space provided above. Also write your name at the top of pages 2, 3, 4 and 5. 2. The test has ﬁve (5) pages, including this one. 3. Write your answers in the boxes provided. 4. You must show suﬃcient work to justify all answers. Correct answers with inconsistent work may not be given credit. 5. Credit for each problem is given in parentheses in the left hand margin. 6. No books, notes or calculators may be used on this test. (4) 1. Find a unit vector having the same direction as the vector ~a = ~ i + ~ j - ~ k . (6) 2. If ~a =2 ~ i - ~ j +2 ~ k and ~ b = ~ i , ﬁnd pr ~a ~ b .

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MA 166 Exam 1 Spring 1999 Name Page 2/5 (7) 3. Find the area of the triangle with vertices at (0 , 0 , 0), (3 , 2 , 0), and (2 , 6 , 0).
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166E1-S99 - MA 166 NAME STUDENT ID EXAM 1 Spring 1999 Page...

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